Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kazuhiko Matsutani
Masayoshi Seki
Date of Patent
October 3, 2023
Patent Application Number
17617166
Date Filed
August 21, 2020
Patent Citations
Patent Primary Examiner
CPC Code
Patent abstract
To reliably follow a tip end portion of a root canal and prevent biting into a root canal wall. A dental root canal treatment tool includes a shaft portion (A), a transition portion (D) formed continuously to the shaft portion, and a working portion (B) formed continuously to the transition portion. The working portion is formed in such a tapered shape that the working portion is narrowed from the transition portion to a tip end. A cross section (IIa) of the working portion closest to a shaft portion side is in a parallelogram shape having a pair of opposing long sides (
Timeline
No Timeline data yet.
Further Resources
No Further Resources data yet.
